Saunders' College Text-Books 





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Biology: General and Medical. By Joseph McFarlahd, M. D., 

 Professoi of Patkology and Bacteriology, University of Pennsyl- 

 vania. i2moof4S7 pages, illustrated. Cloth, $1.75 net. 



Ueio (jd) Edition — Fubtishej January, 1917. 



This work is particularly adaptable to the requirements of scientific 

 courses. There are chapters on the origin of life and its manifesta- 

 tions, the cell and cell division, reproduction, ontogenesis, conformity 

 to type, divergence, structural and blood relationship, parasitism, mu- 

 tilation and regeneration, grafting, senescence, etc. 

 Prof. W. R. McConnell, Pennsylvania State College: " It has some 

 admirable features, the most valuable of which is the careful r£sum€ of 

 the subjects of heredity and evolution." 



Dirdw's Eini'^(i!rit(ilbirsi{t(i Zoology 



Invertebrate Zoology. By GnJUN A. Dx£w, Pb. D., Assistant Di- 

 rector of the Marine Biological Laboratory, Woods Hole, Ma.ss. 

 lamo of 213 pages. Cloth, $1.25 net. Second Edition— July, igij 



Professor Drew's work gives the student a working knowledge of com- 

 parative anatomy and leads him to an appreciation of the adaptation 

 of the animals to their environments. It is a practical work, express- 

 ing the practical knowledge gained through experience. The type 

 method of study has been followed. 



Prof. John M. Tyler, Amherst College: "It covers the ground well 

 is clear and very compact. The table of definitions is excellent." 



Da^gk^irity's Ecoiniomis Zoology 



Economic Zoology. By L. S. Daugherty, M. S., Ph. D., Professor 

 of Science, Missouri Wesleyan College; and M. C. Datjgherty. 

 P^rt I— Field and Laboratory Guide: i2nio of 476 pages, inter- 

 leaved. Cloth, $i.2s net. Part Il—Principles: ijmo of 406 

 pages, illustrated. Cloth, $2.00 net. December, 1912. 



Not only does this work give the salient facts of structural zoology and 

 the development of the various branches, but also the natural history 

 —the life and habits. It emphasizes the economic phase throughout. 

 Prof. V. E. Shelford, University of Chicago: " It has many merits 

 and is the best book of the kind on the market." 



